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https://git.code.sf.net/p/minidlna/git
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113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/* Utility functions
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*
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* Project : minidlna
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* Website : http://sourceforge.net/projects/minidlna/
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* Author : Justin Maggard
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*
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* MiniDLNA media server
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* Copyright (C) 2008-2017 Justin Maggard
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*
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* This file is part of MiniDLNA.
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*
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* MiniDLNA is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* MiniDLNA is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MiniDLNA. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __UTILS_H__
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#define __UTILS_H__
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#include <stdarg.h>
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#include <dirent.h>
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#include <sys/param.h>
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#include "minidlnatypes.h"
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/* String functions */
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/* We really want this one inlined, since it has a major performance impact */
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static inline int
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__attribute__((__format__ (__printf__, 2, 3)))
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strcatf(struct string_s *str, const char *fmt, ...)
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{
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int ret;
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int size;
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va_list ap;
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if (str->off >= str->size)
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return 0;
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va_start(ap, fmt);
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size = str->size - str->off;
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ret = vsnprintf(str->data + str->off, size, fmt, ap);
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str->off += MIN(ret, size);
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va_end(ap);
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return ret;
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}
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static inline void strncpyt(char *dst, const char *src, size_t len)
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{
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strncpy(dst, src, --len);
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dst[len] = '\0';
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}
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static inline int is_reg(const struct dirent *d)
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{
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#if HAVE_STRUCT_DIRENT_D_TYPE
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return (d->d_type == DT_REG);
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#else
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return -1;
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#endif
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}
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static inline int is_dir(const struct dirent *d)
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{
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#if HAVE_STRUCT_DIRENT_D_TYPE
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return (d->d_type == DT_DIR);
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#else
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return -1;
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#endif
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}
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int xasprintf(char **strp, char *fmt, ...) __attribute__((__format__ (__printf__, 2, 3)));
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int ends_with(const char * haystack, const char * needle);
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char *trim(char *str);
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char *strstrc(const char *s, const char *p, const char t);
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char *strcasestrc(const char *s, const char *p, const char t);
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char *modifyString(char *string, const char *before, const char *after, int noalloc);
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char *escape_tag(const char *tag, int force_alloc);
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char *unescape_tag(const char *tag, int force_alloc);
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char *duration_str(int msec);
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char *strip_ext(char *name);
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/* Metadata functions */
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int is_video(const char * file);
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int is_audio(const char * file);
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int is_image(const char * file);
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int is_playlist(const char * file);
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int is_caption(const char * file);
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#define is_nfo(file) ends_with(file, ".nfo")
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media_types get_media_type(const char *file);
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media_types valid_media_types(const char *path);
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int is_album_art(const char * name);
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int resolve_unknown_type(const char * path, media_types dir_type);
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const char *mime_to_ext(const char * mime);
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/* Others */
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int make_dir(char * path, mode_t mode);
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unsigned int DJBHash(uint8_t *data, int len);
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/* Timeval manipulations */
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void timevaladd(struct timeval *t1, const struct timeval *t2);
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void timevalsub(struct timeval *t1, const struct timeval *t2);
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#define timevalcmp(tvp, uvp, cmp) \
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(((tvp)->tv_sec == (uvp)->tv_sec) ? \
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((tvp)->tv_usec cmp (uvp)->tv_usec) : \
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((tvp)->tv_sec cmp (uvp)->tv_sec))
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#endif
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